Analysis

  • max time kernel
    154s
  • max time network
    206s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:38

General

  • Target

    b6132cf8384c7e5f153ebb7da387d401950393bb45e27648903f923cbc2cdd24.exe

  • Size

    1.2MB

  • MD5

    8b2996fb30bba79cf90a80fe4455a303

  • SHA1

    f6e0c2224389016f97aee2059f9947c6dc62e352

  • SHA256

    b6132cf8384c7e5f153ebb7da387d401950393bb45e27648903f923cbc2cdd24

  • SHA512

    9b2e71684fbe7c9982eed2b9bb00af288b7788865864959761f12da40cdba53c8b62049235b4fef9e7f263b19965e837465cb181b1291f66fb40a2ea14362f15

  • SSDEEP

    24576:JmWsLGJOr1IrzB7b8m2t4xSTdzgz5nn2T3:VsLGsrOXBv8m2tBTdzyIT

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6132cf8384c7e5f153ebb7da387d401950393bb45e27648903f923cbc2cdd24.exe
    "C:\Users\Admin\AppData\Local\Temp\b6132cf8384c7e5f153ebb7da387d401950393bb45e27648903f923cbc2cdd24.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\AppData\Local\Temp\b6132cf8384c7e5f153ebb7da387d401950393bb45e27648903f923cbc2cdd24.exe
      "C:\Users\Admin\AppData\Local\Temp\b6132cf8384c7e5f153ebb7da387d401950393bb45e27648903f923cbc2cdd24.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:948
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
          PID:2000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/940-54-0x00000000011F0000-0x0000000001334000-memory.dmp

      Filesize

      1.3MB

    • memory/940-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

      Filesize

      8KB

    • memory/940-56-0x0000000000320000-0x000000000032A000-memory.dmp

      Filesize

      40KB

    • memory/940-57-0x0000000005620000-0x00000000056DA000-memory.dmp

      Filesize

      744KB

    • memory/948-86-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/948-78-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/948-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/948-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/948-73-0x0000000000411654-mapping.dmp

    • memory/1476-71-0x00000000006F0000-0x00000000006F8000-memory.dmp

      Filesize

      32KB

    • memory/1476-61-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-67-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-65-0x0000000000480BEE-mapping.dmp

    • memory/1476-64-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-75-0x0000000001015000-0x0000000001026000-memory.dmp

      Filesize

      68KB

    • memory/1476-63-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-69-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-58-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-59-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1476-85-0x0000000001015000-0x0000000001026000-memory.dmp

      Filesize

      68KB

    • memory/2000-84-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2000-83-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2000-80-0x0000000000442628-mapping.dmp

    • memory/2000-79-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2000-88-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB